CN107017713B - Reversible water flow open type motor and washing machine comprising same - Google Patents

Reversible water flow open type motor and washing machine comprising same Download PDF

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Publication number
CN107017713B
CN107017713B CN201710339988.8A CN201710339988A CN107017713B CN 107017713 B CN107017713 B CN 107017713B CN 201710339988 A CN201710339988 A CN 201710339988A CN 107017713 B CN107017713 B CN 107017713B
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Prior art keywords
rotor
stator
motor
cavity
liquid
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CN107017713A (en
Inventor
刘杰
王佑喜
才智
孙思成
徐鹏飞
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Tianjin Haier washing appliance Co.,Ltd.
Haier Smart Home Co Ltd
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Tianjin Haier Washing Appliance Co ltd
Haier Smart Home Co Ltd
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Publication of CN107017713A publication Critical patent/CN107017713A/en
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22—Rotating parts of the magnetic circuit
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/30—Driving arrangements 
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/08—Liquid supply or discharge arrangements
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/12—Stationary parts of the magnetic circuit

Abstract

The invention relates to the technical field of motors, in particular to a reversible water flow open type motor which comprises a stator and a rotor, wherein the stator is provided with a rotor cavity, the rotor is arranged in the rotor cavity, and the rotor cavity penetrates through the stator to enable liquid to flow through the motor through the rotor cavity; the periphery of the rotor is provided with a plurality of blades for transmitting liquid, and the flow direction of the liquid flowing through the motor is adjusted according to the rotation direction of the rotor. The open type motor structure provided by the invention integrates the rotor and the blades, the installation design can be adjusted according to actual requirements of installation position, power, shape, function and the like, and the open type motor structure has a good technical prospect and is suitable for popularization and use.

Description

Reversible water flow open type motor and washing machine comprising same
Technical Field
The invention relates to the technical field of motors, in particular to a reversible water flow open type motor and a washing machine comprising the same.
Background
The motor is one of machines frequently used in human industry production and life, and is an electromagnetic device for realizing electric energy conversion or transmission according to an electromagnetic induction law. Its main function is to generate driving torque as power source of electric appliance or various machines.
At present, a motor applied to a household appliance, such as a water pump motor used for a centrifugal pump, is generally structurally characterized in that the motor or an induction coil is separated from an impeller, and a long motor shaft is required for transmission, so that the structure is relatively large, miniaturization is difficult, and integration of the household appliance is difficult; secondly, the centrifugal pump motor is mostly unidirectional, can only realize the unidirectional drive of rivers.
In view of the above, the present invention is particularly proposed.
Disclosure of Invention
The invention aims to provide a reversible water flow open type motor, which adopts the integrated design of a rotor and blades and an S-like blade so as to achieve the aim of realizing the design of a reversible water flow and integrated motor by utilizing the S-like blade.
In order to achieve the purpose, the invention specifically adopts the following technical scheme:
a reversible water flow open type motor comprises a stator 2 provided with a rotor cavity 21 and a rotor 1 arranged in the rotor cavity 21, wherein the rotor cavity 21 is arranged through the stator 2, so that liquid flows through the motor through the rotor cavity 21; the periphery of the rotor 1 is provided with a plurality of blades 11 for transmitting liquid, and the flow direction of the liquid flowing through the motor is adjusted according to the rotation direction of the rotor 1.
In the scheme, the rotor 1 of the reversible water flow open type motor is integrated with the blades 11, so that compared with a common motor, the space occupied by a motor shaft and the blades is saved, and the motor and a liquid flow channel can be integrated because liquid flows through the interior of the motor, so that the space is greatly saved; the blade 11 has an S-like shape, and when the motor rotates in a forward direction or in a reverse direction, the liquid is pushed by the blade 11 to flow in a reverse direction.
The invention further comprises the following steps: and mounting points matched with the rotor 1 are arranged at any end or two ends of the rotor cavity 21, so that one end or two ends of the rotor 1 are mounted on the stator 2.
In the above scheme, either or both ends of the rotor cavity 21 are provided with partition ribs with mounting points, so that one end or both ends of the rotor 1 are connected with the mounting points on the partition ribs.
In the above scheme, the openings at the two ends of the rotor cavity 21 are arranged in a staggered manner, so that cavity walls are arranged at the two ends of the axis of the rotor cavity 21, and the mounting points are arranged on the cavity walls to connect the single end or the two ends of the rotor 1 with the mounting points.
In the above scheme, the connection mode of the rotor 1 can be determined according to the actual use condition, and the diversity and the flexibility of the design and installation of the motor are increased.
The invention further comprises the following steps: the rotor 1 comprises a rotor shaft 12, an iron core 13 sleeved on the rotor shaft 12 and a rotor coil 14 arranged around the iron core 13, wherein one end or two ends of the rotor shaft 12 are connected with mounting points, so that the rotor 1 can be rotatably arranged relative to the stator 2.
The invention further comprises the following steps: rotor 1 periphery still is equipped with the rotor insulation sealing layer 15 of parcel iron core 13 and rotor coil 14, blade 11 sets up in the outside of rotor insulation sealing layer 15 along the axial of rotor shaft 12.
In the above scheme, the liquid needs to flow through the gap between the rotor 1 and the stator 2, and in order to prevent the liquid from directly contacting with the charged element, the rotor insulating sealing layer 15 adopted by the invention wraps the whole rotor 1 on the premise of not influencing the electromagnetic induction of the iron core 13 and the rotor coil 14, so as to achieve the purpose of safely flowing the liquid through the rotor cavity 21.
The invention further comprises the following steps: the shape of the vane 11 in the axial direction of the outer periphery of the rotor 1 is a quartic bezier curve, and the vane 11 is composed of two arcs which are centrosymmetric with the midpoint of the corresponding axis.
In the above solution, a bezier curve (also called a bezier curve or a bezier curve) is a mathematical curve applied to a two-dimensional graphics application program. The general vector graphic software accurately draws a curve through the curve, the Betz curve consists of line segments and nodes, the nodes are draggable pivots, and the line segments are like telescopic rubber bands. The general parameter formula is as follows:
Figure BDA0001294980800000021
and the quartic Bezier curve represents the point P1、P2、P3And P4The shape of the determined Bezier curve is approximate to S shape, the central symmetry shape of the midpoint of the axis where the blade 11 is located is obtained by adjusting the parameters in the formula, so that the liquid flow at the same elevation angle cannot generate larger attack angle loss, and in addition, the blade 11 can realize the reverse transmission and communication of the water flow in a short time through the rotation direction of the motorDifferent forward/reverse transmission ratios of the motor can be realized through design adjustment of the blades 11.
The invention further comprises the following steps: the rotor cavity 21 is a cavity with openings at both ends, so that liquid flows through the motor through the rotor cavity 21.
The invention further comprises the following steps: the openings at the two ends of the rotor cavity 21 are oppositely arranged or staggered, so that the liquid entering and exiting the motor generates displacement in space.
In the above scheme, due to the dislocation of the liquid flow channel in actual use, the openings at the two ends of the rotor cavity 21 can be adjusted according to proper positions, so that the flexibility of application and design is increased.
The invention further comprises the following steps: the openings at the two ends of the rotor cavity 21 are set to be the same or different in size, so that the liquid entering and exiting the motor has different hydraulic pressures.
In the above scheme, when the water pressure needs to be adjusted, the size of the openings at the two ends of the rotor cavity 21 is adjusted, so that the liquid flow has different speeds when passing through the openings, thereby causing local water pressure change.
The invention further comprises the following steps: stator 2 includes the silicon steel sheet, encircles the 2 coils of stator that the silicon steel sheet set up, the shell of stator 2 and the periphery of rotor chamber 21 still are equipped with the stator insulation sealing layer 22 of parcel silicon steel sheet and 2 coils of stator, realize stator 2 convection current through the sealed insulation of motor liquid.
The invention further comprises the following steps: the silicon steel sheets and the stator coils surround the rotor cavity 21 and are arranged corresponding to the iron core 13 and the rotor coils 14.
In the above scheme, stator 2's inside is owing to have the silicon steel sheet and encircle the electrified coil that the silicon steel sheet set up, consequently adopts stator insulating seal layer 22, under the prerequisite that does not influence electromagnetic induction between rotor 1 and stator 2, carries out sealed protection to stator 2's inner structure, improves the security of using.
The invention also provides a washing machine with the reversible water flow open type motor, which comprises a transmission pump for pumping water and draining water, wherein the transmission pump integrates the rotor 1 and the blades 11 together, so that the water body is transmitted through the interior of the transmission pump, and the shape and the size of the stator 2 and/or the installation mode of the rotor 1 can be designed according to the actual use requirement.
In the scheme, the stator 2 and the rotor 1 of the motor can be freely designed according to the installation position, power, shape, function and the like of the whole machine, and the space utilization rate of the whole machine is improved.
The invention has the beneficial effects that:
1. the motor structure provided by the invention adopts an S-shaped blade structure, and reversible transmission of water flow is realized according to the rotation direction of the motor;
2. the motor structure provided by the invention integrates the structures of the transmission blade and the rotor of the motor, so that the space occupied by the blade and the motor shaft is saved;
3. the rotor of the motor structure provided by the invention adopts a separated structure design, the two ends of the rotor can be fixed on the structure of the stator, the single end of the rotor can also be fixed in the mounting structure of the whole machine, and the stator/rotor can be freely designed according to the mounting position, power, shape, function and the like of the whole machine, so that the space utilization rate of the whole machine is higher.
Drawings
Fig. 1 is a schematic view of the overall structure of a reversible water flow open type motor according to the present invention.
Fig. 2 is a schematic view of a rotor structure of the reversible water flow open motor of the present invention.
Fig. 3 is a cross-sectional view taken along the plane a-a in fig. 2.
Fig. 4 is a schematic structural view of a blade according to the present invention.
The main components in the figure are: 1-rotor, 11-blade, 12-rotor shaft, 13-iron core, 14-rotor coil, 15-rotor insulating sealing layer, 2-stator, 21-rotor cavity, 22-stator insulating sealing layer.
Detailed Description
In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
Example 1
In the present embodiment, as shown in fig. 1, a reversible water flow open-type motor is provided, which includes a stator 2 having a rotor cavity 21 and a rotor 1 disposed in the rotor cavity 21, where the rotor cavity 21 is disposed through the stator 2, so that liquid flows through the motor through the rotor cavity 21; the periphery of the rotor 1 is provided with a plurality of blades 11 for transmitting liquid, and the flow direction of the liquid flowing through the motor is adjusted according to the rotation direction of the rotor 1. The rotor 1 of the reversible water flow open type motor is integrated with the blades 11, so that compared with a common motor, the space occupied by a motor shaft and the blades is saved, and the motor and a liquid flow passage can be integrated due to the fact that liquid flows through the interior of the motor, so that the space is greatly saved; the blade 11 has an S-like shape, and when the motor rotates in a forward direction or in a reverse direction, the liquid is pushed by the blade 11 to flow in a reverse direction.
In this embodiment, the rotor cavity 21 has mounting points at either or both ends adapted to the rotor 1, so that the rotor 1 is mounted on the stator 2 at one or both ends. Preferably, either or both ends of the rotor chamber 21 are provided with partition ribs with mounting points, so that the single end or the double end of the rotor 1 is connected with the mounting points on the partition ribs. The connection mode of the rotor 1 can be determined according to the actual use condition, and the diversity and the flexibility of the design and the installation of the motor are increased. When the rotor 1 is installed at one end, the other end of the rotor cavity 21 is designed to be an open opening, and a pipeline can be clamped or other structures which are beneficial to liquid flowing can be additionally installed on the outer peripheral wall of the rotor cavity 21; when adopting bi-polar installation rotor 1, the both ends of rotor chamber 21 all are equipped with and separate the muscle for rivers through the rotor chamber are more stable, also prevent that great foreign matter from getting into the rotor chamber along with the liquid stream and causing the motor damage.
In this embodiment, as shown in fig. 2 to 3, the rotor 1 includes a rotor shaft 12, an iron core 13 sleeved on the rotor shaft 12, and a rotor coil 14 disposed around the iron core 13, wherein one end or two ends of the rotor shaft 12 are connected to a mounting point, so that the rotor 1 is rotatably disposed relative to the stator 2.
In this embodiment, as shown in fig. 2 to 3, a rotor insulating sealing layer 15 wrapping the iron core 13 and the rotor coil 14 is further disposed on the outer periphery of the rotor 1, and the blades 11 are disposed on the outer side of the rotor insulating sealing layer 15 along the axial direction of the rotor shaft 12.
In this embodiment, the liquid needs to flow through the gap between the rotor 1 and the stator 2, and in order to prevent the liquid from directly contacting with the charged element, the rotor insulating and sealing layer 15 adopted by the present invention wraps the whole rotor 1 on the premise of not affecting the electromagnetic induction of the iron core 13 and the rotor coil 14, so as to achieve the purpose of the liquid flowing through the rotor cavity 21 safely.
In the present embodiment, as shown in fig. 4, the shape of the vane 11 in the circumferential axial direction of the rotor 1 is a quadratic bezier curve, and the vane 11 is formed by two arcs that are centrosymmetric with respect to the midpoint of the corresponding axis. Bezier curves, also known as bezier curves or bezier curves, are mathematical curves applied to two-dimensional graphics applications. The general vector graphic software accurately draws a curve through the curve, the Betz curve consists of line segments and nodes, the nodes are draggable pivots, and the line segments are like telescopic rubber bands. The general parameter formula is as follows:
Figure BDA0001294980800000051
and the quartic Bezier curve represents the point P1、P2、P3And P4The shape of the determined Bezier curve is approximate to an S shape, the central symmetry shape of the midpoint of the axis where the blade 11 is located is obtained by adjusting parameters in a formula, so that the liquid flow at the same elevation angle cannot generate large attack angle loss, in addition, the blade 11 can realize the reverse transmission of the water flow in a short time through the rotation direction of the motor, and the forward/reverse different transmission ratios of the motor can be realized through the design adjustment of the blade 11.
In this embodiment, the rotor cavity 21 is a cavity with openings at two ends, so that the liquid flows through the motor through the rotor cavity 21.
In this embodiment, the openings at the two ends of the rotor cavity 21 are oppositely arranged, so that the liquid entering and exiting the motor can keep consistent in the flow direction.
In this embodiment, the openings at both ends of the rotor chamber 21 are set to have the same size, and also play a role in stabilizing the liquid flow.
In this embodiment, stator 2 includes the silicon steel sheet, encircles the 2 coils of stator that the silicon steel sheet set up, the shell of stator 2 and the periphery in rotor chamber 21 still are equipped with the stator insulation sealing layer 22 of parcel silicon steel sheet and 2 coils of stator, realize the sealed insulation of 2 convection currents of stator through motor liquid.
In this embodiment, the silicon steel sheets and the stator coils surround the rotor cavity 21 and are arranged corresponding to the iron core 13 and the rotor coils 14. The inside of stator 2 is owing to have the silicon steel sheet and encircle the electrified coil that the silicon steel sheet set up, consequently adopts stator insulating seal layer 22, under the prerequisite that does not influence electromagnetic induction between rotor 1 and stator 2, seals the protection to stator 2's inner structure, improves the security of using.
In the embodiment, the washing machine with the reversible water flow open type motor is further provided, the washing machine comprises a transmission pump for pumping water and draining water, the transmission pump integrates the rotor 1 and the blades 11 together, so that the water body is transmitted through the interior of the transmission pump, and the shape and the size of the stator 2 and/or the installation mode of the rotor 1 can be designed according to actual use requirements. The stator 2 and the rotor 1 of the motor can be freely designed according to the installation position, power, shape, function and the like of the whole machine, and the space utilization rate of the whole machine is improved.
Example 2
In the present embodiment, as shown in fig. 1, a reversible water flow open-type motor is provided, which includes a stator 2 having a rotor cavity 21 and a rotor 1 disposed in the rotor cavity 21, where the rotor cavity 21 is disposed through the stator 2, so that liquid flows through the motor through the rotor cavity 21; the periphery of the rotor 1 is provided with a plurality of blades 11 for transmitting liquid, and the flow direction of the liquid flowing through the motor is adjusted according to the rotation direction of the rotor 1. The rotor 1 of the reversible water flow open type motor is integrated with the blades 11, so that compared with a common motor, the space occupied by a motor shaft and the blades is saved, and the motor and a liquid flow passage can be integrated due to the fact that liquid flows through the interior of the motor, so that the space is greatly saved; the blade 11 has an S-like shape, and when the motor rotates in a forward direction or in a reverse direction, the liquid is pushed by the blade 11 to flow in a reverse direction.
In this embodiment, the rotor cavity 21 has mounting points at either or both ends adapted to the rotor 1, so that the rotor 1 is mounted on the stator 2 at one or both ends. Preferably, the openings at the two ends of the rotor cavity 21 are arranged in a staggered manner, so that the two ends of the axis of the rotor cavity 21 are provided with cavity walls, and the mounting points are arranged on the cavity walls to connect one end or two ends of the rotor 1 with the mounting points. The connection mode of the rotor 1 can be determined according to the actual use condition, and the diversity and the flexibility of the design and the installation of the motor are increased. When the rotor 1 is installed at one end, the other end of the rotor cavity 21 is designed to be an open opening, and a pipeline can be clamped or other structures which are beneficial to liquid flowing can be additionally installed on the outer peripheral wall of the rotor cavity 21; when adopting bi-polar installation rotor 1, the both ends of rotor chamber 21 all are located rotor chamber 21 both ends for the business turn over direction through the rivers in rotor chamber produces the displacement in space, is convenient for adjust according to the liquid flow channel at both ends.
In this embodiment, as shown in fig. 2 to 3, the rotor 1 includes a rotor shaft 12, an iron core 13 sleeved on the rotor shaft 12, and a rotor coil 14 disposed around the iron core 13, wherein one end or two ends of the rotor shaft 12 are connected to a mounting point, so that the rotor 1 is rotatably disposed relative to the stator 2.
In this embodiment, as shown in fig. 2 to 3, a rotor insulating sealing layer 15 wrapping the iron core 13 and the rotor coil 14 is further disposed on the outer periphery of the rotor 1, and the blades 11 are disposed on the outer side of the rotor insulating sealing layer 15 along the axial direction of the rotor shaft 12.
In this embodiment, the liquid needs to flow through the gap between the rotor 1 and the stator 2, and in order to prevent the liquid from directly contacting with the charged element, the rotor insulating and sealing layer 15 adopted by the present invention wraps the whole rotor 1 on the premise of not affecting the electromagnetic induction of the iron core 13 and the rotor coil 14, so as to achieve the purpose of the liquid flowing through the rotor cavity 21 safely.
In the present embodiment, as shown in fig. 4, the shape of the vane 11 in the circumferential axial direction of the rotor 1 is a quadratic bezier curve, and the vane 11 is formed by two arcs that are centrosymmetric with respect to the midpoint of the corresponding axis. Bezier curves, also known as bezier curves or bezier curves, are mathematical curves applied to two-dimensional graphics applications. The general vector graphic software accurately draws a curve through the curve, the Betz curve consists of line segments and nodes, the nodes are draggable pivots, and the line segments are like telescopic rubber bands. The general parameter formula is as follows:
Figure BDA0001294980800000071
and the quartic Bezier curve represents the point P1、P2、P3And P4The shape of the determined Bezier curve is approximate to an S shape, the central symmetry shape of the midpoint of the axis where the blade 11 is located is obtained by adjusting parameters in a formula, so that the liquid flow at the same elevation angle cannot generate large attack angle loss, in addition, the blade 11 can realize the reverse transmission of the water flow in a short time through the rotation direction of the motor, and the forward/reverse different transmission ratios of the motor can be realized through the design adjustment of the blade 11.
In this embodiment, the rotor cavity 21 is a cavity with openings at two ends, so that the liquid flows through the motor through the rotor cavity 21.
In this embodiment, the openings at the two ends of the rotor cavity 21 are arranged in a staggered manner, so that the liquid entering and exiting the motor is displaced in space.
The invention further comprises the following steps: the openings at both ends of the rotor chamber 21 are set to have different sizes, so that the liquid entering and exiting the motor has different hydraulic pressures. When the water pressure needs to be adjusted, the size of the openings at the two ends of the rotor cavity 21 is adjusted, so that the liquid flow has different speeds when passing through the openings, and therefore, the local water pressure change is caused. In addition, the effect of changing the flowing direction of the liquid when the blades 11 rotate positively and negatively is added, so that the flexibility of the design of the motor is greatly improved.
In this embodiment, stator 2 includes the silicon steel sheet, encircles the 2 coils of stator that the silicon steel sheet set up, the shell of stator 2 and the periphery in rotor chamber 21 still are equipped with the stator insulation sealing layer 22 of parcel silicon steel sheet and 2 coils of stator, realize the sealed insulation of 2 convection currents of stator through motor liquid.
In this embodiment, the silicon steel sheets and the stator coils surround the rotor cavity 21 and are arranged corresponding to the iron core 13 and the rotor coils 14. The inside of stator 2 is owing to have the silicon steel sheet and encircle the electrified coil that the silicon steel sheet set up, consequently adopts stator insulating seal layer 22, under the prerequisite that does not influence electromagnetic induction between rotor 1 and stator 2, seals the protection to stator 2's inner structure, improves the security of using.
In the embodiment, the washing machine with the reversible water flow open type motor is further provided, the washing machine comprises a transmission pump for pumping water and draining water, the transmission pump integrates the rotor 1 and the blades 11 together, so that the water body is transmitted through the interior of the transmission pump, and the shape and the size of the stator 2 and/or the installation mode of the rotor 1 can be designed according to actual use requirements. The stator 2 and the rotor 1 of the motor can be freely designed according to the installation position, power, shape, function and the like of the whole machine, and the space utilization rate of the whole machine is improved.
The foregoing is considered as illustrative of the preferred embodiments of the invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims (7)

1. A reversible water flow open type motor comprises a stator (2) provided with a rotor cavity (21) and a rotor (1) arranged in the rotor cavity (21), and is characterized in that the rotor cavity (21) penetrates through the stator (2) and is a cavity with openings at two ends, so that liquid flows through the motor through the rotor cavity (21); mounting points matched with the rotor (1) are arranged at any end or two ends of the rotor cavity (21), so that one end or two ends of the rotor (1) are mounted on the stator (2); the periphery of the rotor (1) is provided with a plurality of blades (11) for transmitting liquid, and the flow direction of the liquid flowing through the motor is adjusted according to the rotation direction of the rotor (1);
the rotor (1) comprises a rotor shaft (12), an iron core (13) sleeved on the rotor shaft (12) and a rotor coil (14) arranged around the iron core (13), wherein one end or two ends of the rotor shaft (12) are connected with a mounting point;
the stator (2) comprises silicon steel sheets and stator coils arranged around the silicon steel sheets, wherein the silicon steel sheets and the stator coils surround the rotor cavity (21) and are arranged corresponding to the iron core (13) and the rotor coils (14).
2. The open-type reversible water flow electric machine according to claim 1, wherein the rotor (1) is further provided at its outer periphery with a rotor insulation sealing layer (15) that covers the core (13) and the rotor coils (14), and the vanes (11) are disposed outside the rotor insulation sealing layer (15) in the axial direction of the rotor shaft (12).
3. A reversible water flow open machine according to claim 2, characterized in that the shape of the blade (11) in the peripheral axial direction of the rotor (1) is a quartic bezier curve, the blade (11) being composed of two arcs with central symmetry.
4. The open motor of claim 1, wherein the openings at the two ends of the rotor chamber (21) are arranged oppositely or staggered to allow the liquid to be displaced in space.
5. The open motor of claim 1, wherein the openings at both ends of the rotor chamber (21) are arranged to be the same or different in size, so that the liquid entering and exiting the motor has different hydraulic pressures.
6. The open-type motor with reversible water flow according to claim 1, characterized in that the outer casing of the stator (2) and the periphery of the rotor cavity (21) are further provided with stator insulation sealing layers (22) wrapping silicon steel sheets and coils of the stator (2), so as to realize the sealing insulation of the stator (2) to the liquid flowing through the motor.
7. A washing machine with a reversible water flow open motor according to any one of claims 1 to 6, comprising a transmission pump for pumping water and draining water, characterized in that the transmission pump integrates the rotor (1) with the blades (11) and enables the water to be transmitted through the interior thereof, and the shape and size of the stator (2) and/or the installation mode of the rotor (1) can be designed according to the actual use requirements.
CN201710339988.8A 2017-05-15 2017-05-15 Reversible water flow open type motor and washing machine comprising same Active CN107017713B (en)

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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204715077U (en) * 2015-05-09 2015-10-21 刘心绪 A kind of barrel structure of breathing type washing machine

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Publication number Priority date Publication date Assignee Title
DE10352487A1 (en) * 2003-07-22 2005-02-10 BSH Bosch und Siemens Hausgeräte GmbH Pump with integrated motor
CN201437782U (en) * 2009-05-25 2010-04-14 广州水泵厂 Shaftless drive multistage pump
CN105201916B (en) * 2015-09-17 2017-08-01 浙江工业大学之江学院 A kind of spatial guide blade centrifugal pump Hydraulic Design Method
CN106194771B (en) * 2016-08-31 2019-03-08 天津甘泉集团有限公司 A kind of two-way irrigation and drainage full through-flow submersible pump device

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Publication number Priority date Publication date Assignee Title
CN204715077U (en) * 2015-05-09 2015-10-21 刘心绪 A kind of barrel structure of breathing type washing machine

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